Researchers have spotted how specific proteins within the chromosomes of roundworms enable their offspring to produce specialized cells generations later, a startling finding that upends classical thinking that hereditary ...
Cell & Microbiology
Apr 7, 2023
0
381
Scientists at Queen Mary University of London and Australian National University have unravelled how changes in nutrition in the early development of honeybees can result in vastly different adult characteristics.
Plants & Animals
Aug 22, 2018
0
40
Finding a needle in a haystack is hard enough. But try finding a specific molecule on the needle.
Biotechnology
Feb 9, 2021
0
146
Research on a modified protein around which DNA is wrapped sheds light on how gene regulation is linked to aging and longevity in nematodes, fruit flies and possibly humans.
Cell & Microbiology
Apr 17, 2015
0
47
In the cells of palm trees, humans, and some single-celled microorganisms, DNA gets bent the same way. Now, by studying the 3-D structure of proteins bound to DNA in microbes called Archaea, University of Colorado Boulder ...
Cell & Microbiology
Aug 10, 2017
0
32
Working with yeast and worms, researchers found that incorrect gene expression is a hallmark of aged cells and that reducing such "noise" extends lifespan in these organisms. The team published their findings this month in ...
Cell & Microbiology
Jul 30, 2015
0
928
When stretched out, the genome of a single human cell can reach six feet. To package it all into a tiny nucleus, the DNA strand is tightly wrapped around a core of histone proteins in repeating units—each unit known ...
Cell & Microbiology
Apr 30, 2012
1
0
Immunologists at St. Jude Children's Research Hospital have identified biochemical "switches" that control development of regulatory T cells and offer a novel strategy for treatment of autoimmune diseases and cancer. The ...
Cell & Microbiology
Dec 29, 2021
0
287
A decade ago, gene expression seemed so straightforward: genes were either switched on or off. Not both. Then in 2006, a blockbuster finding reported that developmentally regulated genes in mouse embryonic stem cells can ...
Cell & Microbiology
Aug 11, 2013
0
0
(PhysOrg.com) -- On average, one hundred billion cells in the human body divide over the course of a day. Most of the time the body gets it right but sometimes, problems in cell replication can lead to abnormalities in chromosomes ...
Biochemistry
Sep 16, 2010
0
0
